A disturbance heading east may trigger severe thunderstorms for millions on Thursday as record-setting heat will settle in over the West for the holiday weekend.
Scattered storms could turn severe over the Mid-Atlantic by Thursday afternoon.
Large hail, damaging winds and isolated tornadoes along with heavy rain will be possible.
The Storm Prediction Center (SPC) said there’s an enhanced risk of severe weather across the region, with a particular concern for damaging winds and a few tornadoes.
Some 59 million Americans may see severe weather on Thursday, with over 9 million in the “enhanced” area, according to the SPC.